Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rudolf GrebnerfiledCriticalRudolf Grebner
Application grantedgrantedCritical
Publication of AT167932BpublicationCriticalpatent/AT167932B/de
AT167932D1948-12-301948-12-30Verfahren zur Haltbarmachung des Meerschaumes von Pfeifen, Zigarren- und Zigarettenspitzen gegen Zerstörung durch Nikotin
AT167932B
(de)
Συστημα καθ' ολα ομοιον και επι των τριων πιπων καπνισματος σιγαρεττων, πουρων και καπνου, εξευγενισμου ολων των δηλητηριωδων του καπναεριου ουσιων.